Description
XV-440-10TVB-1-2I Imported from Eaton”s original factory
XV-440-10TVB-1-2I Imported from Eaton”s original factory
Module Clips Drive controller servo motor
Contact: Mr. Lai
Wechat:17750010683
Whats app：+86 17750010683
Skype：+86 17750010683
QQ: 3221366881
3221366881@qq.com
Design challenge five
Finger positioning accuracy is the fifth challenge in multi-point capacitive touch screen design. Today’s end customers have increasingly higher requirements for finger positioning accuracy on the touch screen, especially on the edge of the touch screen. We know that the centroid algorithm is usually used to implement finger positioning calculations. However, due to the incompleteness of the sensing unit on the edge of the capacitive touch screen and the congenital lack of half of the weight signal of the finger on the edge, still using the centroid algorithm on the edge of the touch screen will bring large errors. Therefore, improving the finger positioning algorithm is not only applicable to the middle area of the touch screen, but also to the edge area of the touch screen to make the finger touch positioning more accurate. This is a challenge that multi-point capacitive touch screen design must face.
Design challenge six
Multi-touch gesture recognition and tracking. Multi-point capacitive touch screens are designed for multi-touch and gesture recognition. For general use, it can recognize touches from up to ten fingers. The most commonly used gestures are one- or two-finger gestures. It must not only be able to recognize the fourteen single-touch gestures (up, down, left, right, upper left, lower left, upper right, lower right, left rotation, right rotation, click, double click, tap and hold, and lift), but also Can recognize twenty-seven gestures of double touch points (double touch point move up, double touch point move down, double touch point move left, double touch point move right, double touch point move up left, double touch point move down left, double touch point Click to move right up, double touch to move right down, double touch to zoom out, double touch to zoom in, double touch to click, one touch to move up, one touch to move once, one touch to move left, one touch to move right, One touch to move left up, one touch to move left and down, one touch to move right up, one touch to move right and down, one touch to move down left and turn left, one touch to move down right and turn right, one touch and down right turn left, one touch One touch to move up and right, one touch to move in a Z shape, one touch to move in a triangle, one touch to move in a square and one touch to draw a circle). In addition, when more than two fingers are touched, the movement of these fingers must be tracked in real time, and the temporary identification code assigned to each touching finger must not be mistaken. It is a real challenge to the design of gesture recognition algorithm and the computing speed of the chip.
Design challenge seven
Low power consumption. Any battery-powered mobile device will have very strict power consumption requirements for the design of each functional unit, especially in the current low-carbon era. Multi-point capacitive touch screen as a functional unit in mobile devices is certainly no exception. It is not an easy task to make a multi-point capacitive touch screen consume less than 35mW when fully activated and less than 100uW when in standby mode. If the design of a multi-point capacitive touch screen cannot meet this requirement, it will be at a very disadvantageous position in the fierce market competition. [!–empirenews.page–]Design Challenge 8
Water resistance is an iconic indicator of multi-point capacitive touch screen design performance. It seems that multi-point capacitive touch screens using mutual capacitance scanning are naturally waterproof and do not pose a design challenge. Why do you say this? Because using a self-capacitive scanning touch screen, the direction of signal change generated by water droplets and finger touches is the same. It is very difficult to distinguish water droplets from finger touches. The direction of signal change generated by mutual capacitance scanning touch screen water droplets and finger touch is exactly opposite, because finger touch reduces mutual capacitance, but water droplets increase mutual capacitance. This gives people the feeling that multi-point capacitive touch screens using mutual capacitance scanning have natural waterproof capabilities and do not need to take special measures to do waterproofing. The real situation is not that simple. When water droplets drip onto the mutual capacitance screen, there is indeed no false triggering, but when the water droplets are wiped off and then the finger touches the original place, it will not work. With luck, you can return to your original finger touch sensitivity after a while. We know that a qualified product will not allow such a situation to occur, let alone rely on good luck. Therefore, how to solve the problem of finger touch failure caused by water is another challenge in the design of multi-point capacitive touch screens. In fact, the problem of touch failure caused by water not only refers to water droplets, but also includes water films and large areas of water.
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1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
ABB — AC 800M controller, Bailey, PM866 controller, IGCT silicon controlled 5SHY 3BHB01 3BHE00 3HNA00 DSQC series
BENTLY — 3500 system/proximitor, front and rear card, sensor, probe, cable 3500/20 3500/61 3500/05-01-02-00-001 3500/40M 176449-01 3500/22M 138607-01
Emerson — modbus card, power panel, controller, power supply, base, power module, switch 1C31,5X00, CE400, A6500-UM, SE3008,1B300,1X00,
EPRO — PR6423 PR6424 PR6425 PR6426 PR9376 PR9268 Data acquisition module, probe, speed sensor, vibration sensor
FOXBORO — FCP270 FCP280 FCM10EF FBM207 P0914TD CP40B FBI10E FBM02 FBM202 FBM207B P0400HE Thermal resistance input/output module, power module, communication module, cable, controller, switch
GE —- IS200/215/220/230/420 DS200/215 IC693/695/697/698 VMICPCI VMIVME 369-HI-R-M-0-0-E 469 module, air switch, I/O module, display, CPU module, power module, converter, CPU board, Ethernet module, integrated protection device, power module, gas turbine card
HIMA — F3 AIO 8/4 01 F3231 F8627X Z7116 F8621A 984862160 F3236 F6217 F7553 DI module, processor module, AI card, pulse encoder
Honeywell — Secure digital output card, program module, analog input card, CPU module, FIM card
MOOG — D136-001-007 Servo valve, controller, module
NI — SCXI-1100 PCI – PXIE – PCIE – SBRIO – CFP-AO-210 USB-6525 Information Acquisition Card, PXI Module, Card
Westinghouse — RTD thermal resistance input module, AI/AO/DI/DO module, power module, control module, base module
Woodward — 9907-164 5466-258 8200-1300 9907-149 9907-838 EASYGEN-3500-5/P2 8440-2145 Regulator, module, controller, governor
YOKOGAWA – Servo module, control cabinet node unit
Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
